Peles Castle in Sinaia, Romania.

📍Peles Castle, Romania Admission: 50 Lei Peles Castle in Sinaia is also called the summer palace. It is the first building in Romania to be equipped with a heating system and electrical devices. ✔️It is said that there is a secret passage in the library. (If you open the part where there is a sign that says 'Don't touch please', it leads to a secret passage) ✔️In the music hall, it is said that only the queen could touch the instruments. The music hall was used by the queen or for the queen to play music with other musicians.